Engineering Board Exam Reviewer · Circles: Arcs and Angles · medium
A tangent and a chord meet at a point on a circle and intercept an arc of 100°. Find the angle between the tangent and the chord.
- 50°
- 100°
- 200°
- 80°
Answer
A. 50°
Solution
A tangent-chord angle is half its intercepted arc: 100°/2=50°.
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